Oxygen Saturation Flashcards
(8 cards)
1
Q
How is oxygen sat measures
A
Pulse oximetry - bribe on end of finger
2
Q
What does oxygen saturation probe measure
A
Percentage of oxygen saturated haemoglobin in arterial blood
3
Q
Normal level oxygen saturation
A
Over 95%
4
Q
What diseases could you expect to see a lower oxygen saturation in?
What is this lower range?
A
Respiratory disease - COPD
Neuromuscular disorders
Chest wall deformities
88-92%
5
Q
What are top and bottom numbers on the oxygen saturation probe
A
Top = % sat
Bottom = pulse
6
Q
What affects the reading for ox sat?
A
- cold extremities
- nail polish
- keep finger still
- lighting
7
Q
Adult vs child ox probes
A
Paediatric probes must be used for small children to prevent innacuracies
8
Q
Inaccuracies within demographics
A
- children
- people with darker skin tones - could show falsely elevated results
